Design of Overhead Fault Indicator Based on LoRa Wireless Technology
The overhead line fault indicator can identify ground and short-circuit faults occurring on overhead lines,and is an important component of a smart grid.In this article,we have designed a new intelligent overhead line fault indicator in response to the problems with traditional fault indicators.The new indicator features low-power microcontrollers,current transformers,Long Range Radio(LoRa)technology and lithium-ion backup batteries,enabling long-term,long-distance transmission and low-power monitoring of ground and short-circuit faults detected,with characteristics including high reliability,low energy consumption,and intelligence.
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